To enable NTP on the vCenter Server Appliance 6.0:
  1. Open a console session to the vCenter Server Appliance and press ALT+F1.
  2. Log in using the root user credentials.
  3. Run this command to view the current settings:


    For example:

    Status: Down

  4. Run this command to add an NTP server:

    ntp.server.add –servers ntp_servername

  5. Run this command to enable the NTP server:

    timesync.set –mode NTP

  6. Run this command to verify the NTP server settings:


Note: To remove an NTP server, run this command:

ntp.server.delete –-servers ntp_servername